Bridgetek FT801 - Appendix C - Memory Map

FT800 Series Programmer Guide
Version 2.1
Document Reference No.: BRT_000030 Clearance No.: BRT#037
259
Product Page
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Appendix C – Memory Map
Start
Address
End
Address
Size
NAME
Description
00 0000h
03 FFFFh
256
kB
RAM_G
Main graphics RAM
0C 0000h
0C 0003h
4 B
ROM_CHIPID
FT800 chip identification and
revision information:
Byte [0:1] Chip ID: “0800”
Byte [2:3] Version ID: “0100”
FT801 chip identification and
revision information:
Byte [0:1] Chip ID: “0801”
Byte [2:3] Version ID: “0100”
0B B23Ch
0F FFFBh
275
kB
ROM_FONT
Font table and bitmap
0F FFFCh
0F FFFFh
4 B
ROM_FONT_ADDR
Font table pointer address
10 0000h
10 1FFFh
8 kB
RAM_DL
Display List RAM
10 2000h
10 23FFh
1 kB
RAM_PAL
Palette RAM
10 2400h
10 257Fh
380 B
REG_*
Registers
10 8000 h
10 8FFFh
4 kB
RAM_CMD
Graphics Engine Command Buffer
1C 2000 h
1C 27FFh
2 kB
RAM_SCREENSHOT
Screenshot readout buffer
Note 1: The addresses beyond this table are reserved and shall not be read or written
unless otherwise specified.
Note 2: The ROM_CHIPID utilizes a part of shadow address from ROM_FONT address
space.